23
revised 10/09
Smog-Hog
PSH Series Model
4. engage the interlock switch and place the tip
of the high voltage probe to the collector cell
door feed through insulator. the high voltage
measurement should be 5.0 to 7.5 kVDc. if the
collector cell voltage is below specifications refer
step 2, “collector cell conditions causing failure.”
Bench testing may also be required. Low ionizer
voltage will decrease the collector cell voltage.
Figure 21
High Voltage Measurements at the Power Pack
!
CAUTION
RISK OF ELECTRICAL SHOCK.
The high voltage circuits to the ionizer and
collector should be grounded before removing
the power pack, high voltage wires, door feed
through insulators and ionizers and collector cells.
The grounding procedure can be accomplished by
waiting one minute after placing the toggle switch
in off position or refer to Figures 17 and 18. The
grounding procedure statement is not identified
within the bench test procedure but should be
performed. The power pack total current output
is limited to a maximum of 5 milliamps to assure
personnel safety.
this procedure can be utilized to determine an electrical
problem with the ionizers and collector cells or a power
pack or testing the ionizers and collector cells after
manual cleaning.
Do not use a power pack that is not within the high
voltage specifications, refer to “testing the Power
Pack”.
High Voltage Specifications:
Ionizer Circuit Operating Range:
10.0 to 11.8 KVdC
Collector Cell Circuit Operating Range:
5.0 to 7.5 KVd
c
ProceDure
teStinG tHe ionizer
1. Select one ionizer to be tested.
2. connect one high voltage wire to the ionizer
contact spring and to the power pack connector
identified as “ionizer #8”.
3. connect the other high voltage wire (use as a
ground wire) to the metal frame of the ionizer and
to the ground stud on the power pack.
4. ac cable should be connected to the power pack
connectors 5 and 6 with ground wire secured to
the ground stud on the power pack.
5. connect ac cable plug to the wall outlet.
6. Measure high voltage with the high voltage probe,
ionizer voltage should be 10.0 to 11.8 kVDc, not
to exceed 12.0 kVDc. if ionizer voltage exceeds
12.0 kVDc, the ionizer wires are moderately
to extremely coated with contaminant (clean
ionizer wires), or the power pack is not within
specifications.
7. if there is an arcing condition, determine the
problem and repair.
8. Disconnect ac cable plug from the wall outlet.
refer to “ionizer conditions causing failure”
in Section 10.5.
Ionizer may not be within high voltage
specifications, even though manually cleaned,
due to the service “age” of the ionizer. The ionizer
should be replaced.
Parts or ionizer should be replaced as required.
the high voltage probe can be used to determine
which circuit is arcing by isolating each circuit ionizer or
collector cell.
1. Disconnect high voltage wire #7 (collector cell)
and measured high voltage to the ionizer circuit
(high voltage wire #8).
2. connect high voltage wire #7 and disconnect high
voltage wire # 8.
3. Measure high voltage to the collector cell circuit
(high voltage wire #7) fluctuating high voltage
during a measurement will indicate an arcing
circuit.
10.7 BENCH TEST PROCEdURE
